CVE-2026-9705

[CVE catalog]

Severity

Medium · CVSS 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Published

Jun 25, 2026, 3:59:03 PM UTC

Source

[NVD] · [CVE record]

EPSS

0.46% · Oct 25, 2026

A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token (RAT), could exploit this vulnerability to re-enable a client that an administrator had explicitly disabled. This bypasses security controls, allowing the attacker to reset the client's secret and potentially regain privileged API access. The primary impact includes unauthorized information disclosure and potential integrity compromise. keycloak: Keycloak: Attacker can re-enable and take over disabled clients via Registration Access Token A Moderate flaw was found in Keycloak where a disabled client can be re-enabled by an attacker who retains a Registration Access Token (RAT) from a prior legitimate client registration. This allows the attacker to bypass the administrator's explicit intent to disable the client, reset its secret, and restore OAuth client_credentials capability, potentially leading to unauthorized access to resources. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.